import com.xty.product.products.HuaWeiPhone;
import org.junit.Test;
import org.springframework.util.CollectionUtils;

import java.util.HashMap;

/**
 * Created By IntelliJ IDEA
 *
 * @author 许腾洋
 * @date 2021/11/24
 * description:
 */
public class TTT {
    /**
     *
     */
    @Test
    public void test(){
        System.out.println("122");
        HuaWeiPhone huaWeiPhone = new HuaWeiPhone();
        HashMap<Object, Object> map = new HashMap<>();
        map.put("1","1");
        // System.out.println(map.entrySet());
        System.out.println(CollectionUtils.isEmpty(map));
    }
}
